Back to Article List From the December 2008 issue How many stars does our galaxy contain? Andy Mance, Toledo, Ohio By Astronomy Staff | Published: December 29, 2008 | Last updated on May 18, 2023 Key Takeaways: Most astronomers roughly estimate the Milky Way contains at least 100 billion stars, but the actual number may be as high as 400 billion.
Robotic Spaceflight, Science, Solar System, Stars NASA’s PUNCH is set to study how the Sun influences the space around us